#include<bits/stdc++.h>
using lint=long long;
using real=long double;
int main(){
    std::cin.tie(nullptr);std::ios_base::sync_with_stdio(false);
    std::cout.setf(std::ios_base::fixed);std::cout.precision(15);
    auto is_prime=[&](lint x){
        if(x<2)return false;
        for(lint i=2;i*i<=x;i++)if(x%i==0)return false;
        return true;
    };
    lint x,y;std::cin>>x>>y;
    bool px=is_prime(x),py=is_prime(y);
    if(px&&py||x==2||y==2){
        std::cout<<"Second"<<'\n';
        return 0;
    }
    lint ans=px||py;
    x+=px,y+=py;
    for(;!is_prime(x);x++,ans++);
    for(;!is_prime(y);y++,ans++);
    std::cout<<(ans%2?"First":"Second")<<'\n';
}